282 lines
7.1 KiB
Plaintext
282 lines
7.1 KiB
Plaintext
# 2013-11-04
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# Test cases for partial indices in WITHOUT ROWID tables
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !vtab {
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finish_test
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return
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}
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load_static_extension db wholenumber;
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do_test index7-1.1 {
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# Able to parse and manage partial indices
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execsql {
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CREATE TABLE t1(a,b,c PRIMARY KEY) WITHOUT rowid;
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CREATE INDEX t1a ON t1(a) WHERE a IS NOT NULL;
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CREATE INDEX t1b ON t1(b) WHERE b>10;
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CREATE VIRTUAL TABLE nums USING wholenumber;
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INSERT INTO t1(a,b,c)
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SELECT CASE WHEN value%3!=0 THEN value END, value, value
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FROM nums WHERE value<=20;
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SELECT count(a), count(b) FROM t1;
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PRAGMA integrity_check;
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}
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} {14 20 ok}
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# Make sure the count(*) optimization works correctly with
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# partial indices. Ticket [a5c8ed66cae16243be6] 2013-10-03.
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#
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do_execsql_test index7-1.1.1 {
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SELECT count(*) FROM t1;
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} {20}
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# Error conditions during parsing...
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#
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do_test index7-1.2 {
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catchsql {
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CREATE INDEX bad1 ON t1(a,b) WHERE x IS NOT NULL;
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}
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} {1 {no such column: x}}
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do_test index7-1.3 {
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catchsql {
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CREATE INDEX bad1 ON t1(a,b) WHERE EXISTS(SELECT * FROM t1);
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}
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} {1 {subqueries prohibited in partial index WHERE clauses}}
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do_test index7-1.4 {
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catchsql {
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CREATE INDEX bad1 ON t1(a,b) WHERE a!=?1;
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}
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} {1 {parameters prohibited in partial index WHERE clauses}}
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do_test index7-1.5 {
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catchsql {
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CREATE INDEX bad1 ON t1(a,b) WHERE a!=random();
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}
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} {1 {functions prohibited in partial index WHERE clauses}}
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do_test index7-1.6 {
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catchsql {
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CREATE INDEX bad1 ON t1(a,b) WHERE a NOT LIKE 'abc%';
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}
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} {1 {functions prohibited in partial index WHERE clauses}}
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do_test index7-1.10 {
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execsql {
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {20 1} t1a {14 1} t1b {10 1} ok}
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# STAT1 shows the partial indices have a reduced number of
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# rows.
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#
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do_test index7-1.11 {
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execsql {
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UPDATE t1 SET a=b;
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {20 1} t1a {20 1} t1b {10 1} ok}
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do_test index7-1.11b {
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execsql {
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UPDATE t1 SET a=NULL WHERE b%3!=0;
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UPDATE t1 SET b=b+100;
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {20 1} t1a {6 1} t1b {20 1} ok}
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do_test index7-1.12 {
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execsql {
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UPDATE t1 SET a=CASE WHEN b%3!=0 THEN b END;
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UPDATE t1 SET b=b-100;
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {20 1} t1a {13 1} t1b {10 1} ok}
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do_test index7-1.13 {
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execsql {
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DELETE FROM t1 WHERE b BETWEEN 8 AND 12;
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {15 1} t1a {10 1} t1b {8 1} ok}
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do_test index7-1.14 {
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execsql {
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REINDEX;
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {15 1} t1a {10 1} t1b {8 1} ok}
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do_test index7-1.15 {
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execsql {
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CREATE INDEX t1c ON t1(c);
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ANALYZE;
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SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
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PRAGMA integrity_check;
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}
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} {t1 {15 1} t1a {10 1} t1b {8 1} t1c {15 1} ok}
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# Queries use partial indices as appropriate times.
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#
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do_test index7-2.1 {
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execsql {
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CREATE TABLE t2(a,b PRIMARY KEY) without rowid;
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INSERT INTO t2(a,b) SELECT value, value FROM nums WHERE value<1000;
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UPDATE t2 SET a=NULL WHERE b%5==0;
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CREATE INDEX t2a1 ON t2(a) WHERE a IS NOT NULL;
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SELECT count(*) FROM t2 WHERE a IS NOT NULL;
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}
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} {800}
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do_test index7-2.2 {
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execsql {
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EXPLAIN QUERY PLAN
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SELECT * FROM t2 WHERE a=5;
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}
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} {/.* TABLE t2 USING COVERING INDEX t2a1 .*/}
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ifcapable stat4||stat3 {
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do_test index7-2.3stat4 {
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execsql {
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EXPLAIN QUERY PLAN
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SELECT * FROM t2 WHERE a IS NOT NULL;
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}
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} {/.* TABLE t2 USING COVERING INDEX t2a1 .*/}
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} else {
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do_test index7-2.3stat4 {
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execsql {
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EXPLAIN QUERY PLAN
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SELECT * FROM t2 WHERE a IS NOT NULL AND a>0;
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}
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} {/.* TABLE t2 USING COVERING INDEX t2a1 .*/}
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}
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do_test index7-2.4 {
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execsql {
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EXPLAIN QUERY PLAN
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SELECT * FROM t2 WHERE a IS NULL;
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}
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} {~/.*INDEX t2a1.*/}
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do_execsql_test index7-2.101 {
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DROP INDEX t2a1;
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UPDATE t2 SET a=b, b=b+10000;
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SELECT b FROM t2 WHERE a=15;
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} {10015}
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do_execsql_test index7-2.102 {
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CREATE INDEX t2a2 ON t2(a) WHERE a<100 OR a>200;
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SELECT b FROM t2 WHERE a=15;
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PRAGMA integrity_check;
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} {10015 ok}
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do_execsql_test index7-2.102eqp {
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EXPLAIN QUERY PLAN
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SELECT b FROM t2 WHERE a=15;
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} {~/.*INDEX t2a2.*/}
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do_execsql_test index7-2.103 {
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SELECT b FROM t2 WHERE a=15 AND a<100;
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} {10015}
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do_execsql_test index7-2.103eqp {
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EXPLAIN QUERY PLAN
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SELECT b FROM t2 WHERE a=15 AND a<100;
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} {/.*INDEX t2a2.*/}
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do_execsql_test index7-2.104 {
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SELECT b FROM t2 WHERE a=515 AND a>200;
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} {10515}
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do_execsql_test index7-2.104eqp {
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EXPLAIN QUERY PLAN
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SELECT b FROM t2 WHERE a=515 AND a>200;
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} {/.*INDEX t2a2.*/}
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# Partial UNIQUE indices
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#
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do_execsql_test index7-3.1 {
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CREATE TABLE t3(a,b PRIMARY KEY) without rowid;
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INSERT INTO t3 SELECT value, value FROM nums WHERE value<200;
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UPDATE t3 SET a=999 WHERE b%5!=0;
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CREATE UNIQUE INDEX t3a ON t3(a) WHERE a<>999;
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} {}
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do_test index7-3.2 {
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# unable to insert a duplicate row a-value that is not 999.
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catchsql {
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INSERT INTO t3(a,b) VALUES(150, 'test1');
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}
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} {1 {UNIQUE constraint failed: t3.a}}
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do_test index7-3.3 {
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# can insert multiple rows with a==999 because such rows are not
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# part of the unique index.
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catchsql {
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INSERT INTO t3(a,b) VALUES(999, 'test1'), (999, 'test2');
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}
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} {0 {}}
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do_execsql_test index7-3.4 {
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SELECT count(*) FROM t3 WHERE a=999;
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} {162}
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integrity_check index7-3.5
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do_execsql_test index7-4.0 {
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VACUUM;
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PRAGMA integrity_check;
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} {ok}
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# Silently ignore database name qualifiers in partial indices.
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#
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do_execsql_test index7-5.0 {
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CREATE INDEX t3b ON t3(b) WHERE xyzzy.t3.b BETWEEN 5 AND 10;
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/* ^^^^^-- ignored */
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ANALYZE;
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SELECT count(*) FROM t3 WHERE t3.b BETWEEN 5 AND 10;
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SELECT stat+0 FROM sqlite_stat1 WHERE idx='t3b';
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} {6 6}
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# Verify that the problem identified by ticket [98d973b8f5] has been fixed.
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#
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do_execsql_test index7-6.1 {
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CREATE TABLE t5(a, b);
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CREATE TABLE t4(c, d);
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INSERT INTO t5 VALUES(1, 'xyz');
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INSERT INTO t4 VALUES('abc', 'not xyz');
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SELECT * FROM (SELECT * FROM t5 WHERE a=1 AND b='xyz'), t4 WHERE c='abc';
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} {
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1 xyz abc {not xyz}
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}
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do_execsql_test index7-6.2 {
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CREATE INDEX i4 ON t4(c) WHERE d='xyz';
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SELECT * FROM (SELECT * FROM t5 WHERE a=1 AND b='xyz'), t4 WHERE c='abc';
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} {
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1 xyz abc {not xyz}
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}
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do_execsql_test index7-6.3 {
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CREATE VIEW v4 AS SELECT * FROM t4;
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INSERT INTO t4 VALUES('def', 'xyz');
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SELECT * FROM v4 WHERE d='xyz' AND c='def'
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} {
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def xyz
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}
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do_eqp_test index7-6.4 {
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SELECT * FROM v4 WHERE d='xyz' AND c='def'
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} {
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0 0 0 {SEARCH TABLE t4 USING INDEX i4 (c=?)}
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}
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finish_test
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